Englishfor English speakers
unperturbed
—
adjective
(= unflurried, unruffled)
free from emotional agitation or nervous tension
the waiters were unflurried and good natured
with contented mind and unruffled spirit
— Anthony Trollope
solution
Noun
—
A solution is an answer to a problem.
The solution to the math problem 4+3 is 7.
—
A solution is a liquid that has something dissolved in it.
The student made a solution by mixing salt and water.